package com.cojson;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class HttpServer {

    public static final String WEB_ROOT = System.getProperty("user.dir") + File.separator + "htdocs";
    /* user.dir 获取当前所在的工作目录*/

    private static final String SHUTDOWN_COMMAND = "/SHUTDOWN";

    public HttpServer(){
        System.out.println("Server at: "+WEB_ROOT);
    }

    public void await(){
        ServerSocket  serverSocket = null;
        int port = 250;
        try {
            serverSocket = new ServerSocket(port,1, InetAddress.getByName("127.0.0.1"));
        } catch (IOException e) {
            e.printStackTrace();
            System.exit(-1);
        }

        while(true){
            Socket socket = null;
            InputStream inputStream = null;
            OutputStream outputStream = null;

            try {
                socket = serverSocket.accept();
                inputStream = socket.getInputStream();
                outputStream = socket.getOutputStream();

                Request request = new Request(inputStream);
                request.parse();

                String uri = request.getUri();
                if(uri!= null && uri.equals(SHUTDOWN_COMMAND)){
                    break;
                }

                Response response = new Response(outputStream);
                response.setRequest(request);
                response.sendStaticResource();
                socket.close();

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}
